Speakman S-2550 Rainier 7 in. Shower Arm and Flange, Polished Chrome Square styling Plated finish protects against corrosion 1/2-inch NPT inlet and outlet Metal construction Supplied with brackets and screws for easy installation Square styling Plated finish protects against corrosion 1/2-Inch NPTM inlet and outlet Metal construction Supplied with brackets and screws for easy installation